Organisms with favorable traits survive long enough to reproduce are... (Survival or the Fittest)
A group of organisms that can mate with one another to produce fertile offspring are...
The remnant of a once useful structure is a _______________ structure.
When humans choose which genes get passed onto the next generation, often done with dogs, is called...
The solidified remains or imprints of once living organisms are...
A characteristic that helps an organisms survive and reproduce in its environment is a(n)...
Changes in an organism's DNA is called a(n)...
The process of CHANGE over TIME is called...
Who is known as the father of the theory of evolution by natural selection?
Traits, like curly hair and brown eyes, are determined by ________.
In the struggle for survival, the ___________ win out at the expense of their rivals because they succeed in adapting themselves best to their ________________.
Mutations...
What evidence suggests that the ancestors of whales once walked on land?
A species that disappears permanently is said to be ___________________.
What does it mean when nature 'selects against' a species?
Dogs evolved from what animal?
A branching tree is a
Why do scientists think related species have similar body structures and development patterns?
Which term refers to SIMILAR STRUCTURES that related species have inherited from a common ancestor?
What did Darwin observe about finches in the Galapagos Islands?
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